<template>
  <div class="login_body">
    <div class="bg" />
    <div class="box">
      <div class="title">智慧园区-登录</div>
      <el-form ref="form" :model="form" :rules="rules">
        <el-form-item label="账号" prop="username">
          <el-input v-model="form.username"/>
        </el-form-item>

        <el-form-item  label="密码"  prop="password">
          <el-input type="password" v-model="form.password"/>
        </el-form-item>

        <el-form-item prop="remember">
          <el-checkbox v-model="flag">记住我</el-checkbox>
        </el-form-item>

        <el-form-item>
          <el-button type="primary" class="login_btn" @click="login">登录</el-button>
        </el-form-item>
      
      </el-form>

    </div>
  </div>
</template>

<script>

import { loginAPI } from '@/api/user';


export default {
  name: 'Login',
  //提供数据data
  data(){

    return{
    flag : false, //记住我

      form: {
        username:'',
        password:''
      },
//注册点击事件 不然没反应 click
      //提供规则
      rules:{
        username:[
          {required: true, message: '用户名必须填写', trigger: 'blur'},//非空校验
          {min: 5, max: 12, message: '用户名必须5-12位', trigger: 'blur'}
        ],
        password:[ 
        {required: true, message: '密码不能为空', trigger: 'blur'},
          {min: 5, max: 12, message: '用户名必须8-12位', trigger: 'blur'}
         ],
      }
    }
  },


  //生命周期函数 => 特定时机触发
  mounted(){
    //页面加载好后触发
    //console.log('页面加载好了')
    //检查本地是否有存储我们的数据  若有则说明存过 => 取出
    const temp = localStorage.getItem('form')
    if(temp){
      this.form.username = JSON.parse(temp).username//刷新之后页面也会显示有我的数据
      this.form.password = JSON.parse(temp).password
      this.flag = true //打钩
    }

  },


  methods: {
    login(){

      console.log(this.flag)

      /* 登录之前需要对整体表单进行整体校验 form组件 */
      this.$refs.form.validate((ok) => {
        if(ok) {
          loginAPI(this.form).then((res) => {

            // console.log(res.data.token)
            //存仓库=> 调用仓库mutation函数
            //this.$store.commit('模块名/函数名', 参数)
            this.$store.commit('user/setToken', res.data.token)

            //跳转首页
            this.$router.push('/')     //vuerouter插件提供的属性

            //提示
            this.$message.success('恭喜登录成功！') // elementui提供的属性

            //到这说明登录成功 已拿到token 点过“记住我”那么该账号已存储到本地
            if(this.flag){
              localStorage.setItem('form', JSON.stringify(this.form))
            }
         
          })
        
        }
      })
      



      //进行登录请求
      // loginAPI(this.form).then((res) => {
      //   console.log(res.data.token) //用户身份标识
      // })

     // console.log(this.form)
    },


//     check(){
//       const username = this.form.username
//       const password = this.form.password
//       const id = this.form.id
//       if(( username =="" || username == null) || (password == "" || password == null)||(id == "" || id == null)) {
//         alert('请填写账号、银行卡号或密码')
//         return false
//       }
//       return true
//     },
//     fn(){
//       const flag = this.check()
       
//       if( flag )
//       {
//         alert('余额为99999999999元')
//         this.str = "余额为99999999999元"
//       }
//       
//     },


  }

}

</script>

<style scoped lang="scss">
  .login_body {
    display: flex;
  }
  .bg {
    width: 60vw;
    height: 100vh;
    background: url('~@/assets/login-bg.svg') no-repeat;
    background-position: right top;
    background-size: cover;
  }
  .box {
    margin: 200px 10% 0;
    flex: 1;
    .title {
      padding-bottom: 76px;
      font-size: 26px;
      font-weight: 500;
      color: #1e2023;
    }
    ::v-deep() {
      .ant-form-item {
        display: flex;
        margin-bottom: 62px;
        flex-direction: column;
      }
      .ant-form-item-label label {
        font-size: 16px;
        color: #8b929d;
      }
      .ant-input,
      .ant-input-password {
        border-radius: 8px;
      }
    }
  }
  .login_btn{
    width: 100%;
  }
</style>


